package com.hzl.lease.web.admin.service.impl;

import com.hzl.lease.common.minio.MinioProperties;
import com.hzl.lease.web.admin.service.FileService;
import io.minio.*;
import io.minio.errors.*;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.UUID;

@Service
public class FileServiceImpl implements FileService {

    @Autowired
    private MinioClient client;
    @Autowired
    private MinioProperties properties;

    @Override
    public String upload(MultipartFile file) throws ServerException, InsufficientDataException, ErrorResponseException, IOException, NoSuchAlgorithmException, InvalidKeyException, InvalidResponseException, XmlParserException, InternalException {

           //先判断桶是否存在
           boolean result = client.bucketExists(BucketExistsArgs.builder().bucket(properties.getBucketName()).build());
           if (!result){
               client.makeBucket(MakeBucketArgs.builder().bucket(properties.getBucketName()).build());

               String policy = """
                                   {
                                     "Statement" : [ {
                                       "Action" : "s3:GetObject",
                                       "Effect" : "Allow",
                                       "Principal" : "*",
                                       "Resource" : "arn:aws:s3:::%s/*"
                                     } ],
                                     "Version" : "2012-10-17"
                                   }
                                   
                       """.formatted(properties.getBucketName());
               client.setBucketPolicy(SetBucketPolicyArgs.builder().bucket(properties.getBucketName()).config(policy).build());

           }


       //上传文件到minio
        String fileName=new SimpleDateFormat("yyyyMMdd").format(new Date())+"/"+ UUID.randomUUID()+"-"+file.getOriginalFilename();
        client.putObject(PutObjectArgs.builder()
                .bucket(properties.getBucketName())
                .stream(file.getInputStream(), file.getSize(), -1)
                .contentType(file.getContentType())
                .object(fileName)
                .build());

        return  String.join("/",properties.getEndpoint(),properties.getBucketName(),fileName);
    }
}
